MSK040B-0450-NN-S2-UG1-NNNN Bosch Rexroth Indramat
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MPN: R911337848
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The Bosch Rexroth Indramat MSK040B-0450-NN-S2-UG1-NNNN is an IndraDyn S synchronous servomotor from the MSK IndraDyn S Synchronous Motors series. It features natural convection cooling, a plain shaft, and a protection rating of IP65. The motor comes with a 4 Nm electrically-released holding brake and an optical singleturn encoder with EnDat2.1 interface and a resolution of 2048 signal periods.
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Product Description:
The MSK040B-0450-NN-S2-UG1-NNNN is a synchronous servomotor manufactured by Bosch Rexroth Indramat for the MSK IndraDyn S Synchronous Motors series. As a compact rotary actuator, it converts drive current into controlled torque and speed for positioning tasks in industrial automation cells, pick-and-place stations, and packaging axes. Its synchronous design supports accurate speed regulation during repeated starts, stops, and short indexing moves. A rotatable 240° connector also helps route the feedback cable in tight machine spaces.
It uses natural convection cooling, so heat is dissipated through the housing without forced airflow and the installation must allow free air circulation. The optical feedback system uses an EnDat2.1 interface, a bidirectional protocol that transmits position data and supports automatic parameter detection by the drive controller. Within that feedback system, the encoder provides 2048 signal periods, giving fine incremental resolution for smooth velocity control. Because the encoder is single-turn, it reports absolute position within one mechanical revolution, which simplifies restart positioning after power is restored. Motion is held during power-off by an electrically released brake with 4 Nm of holding torque for vertical or load-bearing axes.
The enclosure is rated to IP65, which helps protect internal components from dust and low-pressure water jets. The motor has a plain shaft, which eases coupling with timing belts or clamp hubs. The insulation class is 155, supporting operating temperatures consistent with Class F insulation systems. Operation is permitted from 0 to 40 °C when adequate clearance is provided for self-cooling. Motor size 040, length code B, and winding code 0450 identify the mechanical length and electrical layout used by the matching drive. This combination suits compact axes where sealed construction and simple cable routing are important.
Frequently Asked Questions about MSK040B-0450-NN-S2-UG1-NNNN:
Q: How is the MSK040B-0450-NN-S2-UG1-NNNN servo motor cooled?
A: The MSK040B-0450-NN-S2-UG1-NNNN features cooling by natural convection, requiring no external cooling system.
Q: What type of holding brake does the MSK040B-0450-NN-S2-UG1-NNNN motor have and what is its torque?
A: This model is equipped with an electrically-released holding brake with a holding torque of 4 Nm.
Q: What encoder interface does the MSK040B-0450-NN-S2-UG1-NNNN use?
A: The encoder interface for this motor is EnDat2.1, supporting high-resolution feedback communication.
Q: What is the protection rating of the MSK040B-0450-NN-S2-UG1-NNNN motor?
A: The MSK040B-0450-NN-S2-UG1-NNNN servo motor offers IP65 protection rating, ensuring resistance to dust and water jets.
Q: What type of shaft does the MSK040B-0450-NN-S2-UG1-NNNN motor utilize?
A: A plain shaft is used in this model, offering straightforward mechanical connection options.
